USGS 07386880 Vermilion River at Surrey St. at Lafayette, LA

PROVISIONAL DATA SUBJECT TO REVISION

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Data are tidally affected--Astronomical tides cause significant cycles of approximately 24.84 hours at this site. Because a different portion of the 24.84-hour tidal cycle is averaged in successive daily (24-hour) computations, a systematic secondary oscillation, unrelated to basin hydrology and having a period of about two weeks may be apparent in daily data published from December 1967 to September 2015.
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This station managed by the Baton Rouge Field Office.

Available Parameters Available Period
  
2018-03-23  2026-09-14
1995-10-10  2026-09-14
2007-10-01  2026-09-14
2018-03-23  2026-09-14
2026-05-17  2026-09-14
2018-03-23  2026-06-03
2025-06-06  2026-09-14







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
Most recent instantaneous value: 29.4 09-14-2026   08:00 CDT
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Discharge, cubic feet per second
Most recent instantaneous value: 779 09-14-2026   08:15 CDT
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Daily discharge, cubic feet per second -- statistics for Sep 14 based on 25 water years of record more
Min
(1997)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Sep 14		 Mean 75th
percen-
tile		 Max
(2001)
367 557 719 779 823 954 2010

Gage height, feet
Most recent instantaneous value: 5.78 09-14-2026   08:15 CDT
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 4.0 09-14-2026   08:00 CDT
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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 3.04 09-14-2026   08:15 CDT
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [YSI 6136]
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [YSI EXO]
Most recent instantaneous value: 30.0 09-14-2026   08:00 CDT
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [YSI EXO]

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